package design.pattern.factory.abstractFactory;

/**
 * @description: 产品族-课程-抽象接口
 * @author: liuzhangcheng
 **/
public interface ICourseFactory {
    /**
     * 录播视频 - 产品等级
     * @return
     */
    IVideo createVideo();

    /**
     * 课堂笔记 - 产品等级
     * @return
     */
    INode createNode();
}
